FNIRSI 1013D
A budget 7 in touchscreen scope with a 1 GS/s claim, good for general electronics and car diagnostics.
Amazon $145.99$145.99
The FNIRSI 1013D is the better oscilloscope overall, rated 3.4 to 3.0. The FNIRSI 1013D leads on value. The Micsig STO1004 wins on features. The FNIRSI 1013D costs $498 less ($145.99 vs $643.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Micsig STO1004
#14 in 100 MHz and upFull review
A rugged 4-channel tablet for automotive and field diagnostics where deep memory and portability justify the cost.
Amazon $643.99$643.99
Which should you buy?
- Choose the FNIRSI 1013D for value ($1.46 per MHz ($145.99, 100 MHz claimed) vs $6.44 per MHz ($643.99, 100 MHz claimed)).
- Choose the Micsig STO1004 for features (built-in battery, touchscreen, four channels vs built-in battery, touchscreen).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 100 mhz and up oscilloscope; a clear win is highlighted. How we rank explains each one.
| Factor weight | FNIRSI 1013D | Micsig STO1004 |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Value 30% | 74 $1.46 per MHz ($145.99, 100 MHz claimed) | 9 $6.44 per MHz ($643.99, 100 MHz claimed) |
| Bandwidth 20% | 65 100 MHz claimed bandwidth | 65 100 MHz claimed bandwidth |
| Sample rate 10% | 81 1 GSa/s sampling | 81 1 GSa/s sampling |
| Memory 10% | 50 memory depth not published (neutral score used) | 100 70 Mpts of memory |
| Features 20% | 25 built-in battery, touchscreen | 40 built-in battery, touchscreen, four channels |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| FNIRSI 1013D | Micsig STO1004 | |
|---|---|---|
| Scope | ||
| Claimed bandwidth | 100 MHz | 100 MHz |
| Sample rate | 1 GSa/s | 1 GSa/s |
| Channels | 2 | 4 |
| Memory depth | - | 70 Mpts |
| Max input voltage | 400 V | - |
| Serial decode | No | No |
| Extras | ||
| Multimeter | No | No |
| Signal generator | No | - |
| Build | ||
| Type | Tablet | Tablet |
| Display | 7 in | 8 in |
| Touchscreen | Yes | Yes |
| Built-in battery | Yes, 6,000 mAh | Yes, 7,500 mAh |