Sonor vs E
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sonor
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Cold chain telemetry monitoring. The app requires hardware from TT Tools.
E
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Галт тэрэгний хөдөлгөөний аюулгүй байдлыг хангах ажлыг зохион байгуулах Е-норматив
Screenshots
Verdict
The clearest difference is update cadence: Sonor at monthly against E's every 3 months. E's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sonor ships an update monthly, E every 3 months. The most recent releases landed on September 6, 2026 and June 11, 2026 respectively.
| Parameter | Sonor | E |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 21 MB |
| Age rating | 4+ | 17+ |
| Developer | TTTools | Ulaanbaatar Railway, Mongolian-Russian JVC |
In-app purchases
Sonor
No in-app purchases
E
No in-app purchases
